Concrete reinforcing rod spacer



FIG. 1 is a top plan view of a concrete reinforcing rod spacer showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an elevational view of one side thereof, the view from the opposite side being the same; and

FIG. 4 is an elevational view from an adjacent side, the view from the opposite side being the same. 

The ornamental design for a concrete reinforcing rod spacer, as shown and described. 